Q-YEE 300ml Ultrasonic aroma diffuser Cool Mist Air Humidifier with 7 Color LED Lights Changing and Waterless Auto Shut-off Function Timing function for Home Office Bedroom Room (White) Best essential oil diffusers can help insomnia and sleep disturbances in regulating sleep,go to sleep,relieve the pressure of life and enjoy the comfortable. Features of essential oil diffuser include 7 color changing lamps for your choice,the light can be arbitrary color transform,creating the atmosphere of different light.Once the water runs out,it wil be auto shut-off to protect the device. When the water is exhausted,the diffusers for essential oils will automatically shut down.Suitable for home,office,bedroom,the perfect gift for family and friends who love aromatherapy or can from aromatherapy treatment benefit. The aroma diffuser helps to purify and humidifying air and improve the quality of the air we breathe,also can be used as a common humidifier.Provide moisture to dry skin. 5 in 1 Functions:Aromatherapy Diffuser,mini Humidifier,Air Purifier,Ionizer,Night Light;